/*
 * Copyright (c) 2009, 2011, okazoh_tk. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 *  - Redistributions of source code must retain the above copyright notice,
 *    this list of conditions and the following disclaimer.
 *  - Redistributions in binary form must reproduce the above copyright notice,
 *    this list of conditions and the following disclaimer in the documentation
 *    and/or other materials provided with the distribution.
 *  - Neither the name of the copyright holder nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef ALKES_IMAGE_PROVIDER_H_INCLUDED_
#define ALKES_IMAGE_PROVIDER_H_INCLUDED_

#include "alkes/internal.h"
#include "alkes/media/PixelFormat.h"
#include "alkes/core/TRefCount.h"

namespace alkes {

/** \defgroup media
 */

//@{

class ImageBuffer;
class DecoderFactory;

/** Provide interfaces to decode image and create image buffer.
 * 
 */
class AL_EXPORT ImageProvider
{
public:

    /** Construct ImageProvider.
    */
    ImageProvider(DecoderFactory* factory = 0);

    /** Construct 
    */
    ~ImageProvider();

    /** Set decoder factory.
    */
    void setDecoderFactory(DecoderFactory* factory);

    /** Get decoder factory.
    */
    DecoderFactory* getDecoderFactory();

    /** Decode image from file.
    */
    ImageBuffer* decodeImage(const char* imagefile, PixelFormat format = AL_PIXEL_FORMAT_UNKNOWN);

    /** Decode image in memory.
    */
    ImageBuffer* decodeImage(void* address, uint32_t size, PixelFormat format, void (*destructor)(void*) = 0);

    /** Create image buffer.
    */
    ImageBuffer* createImage(uint16_t width, uint16_t height, PixelFormat format);

private:
    intrusive_ptr<DecoderFactory> factory_;
};

//@}

}

#endif
